If you mean the smaller deluxe/scout sized Classics Megs, then the parts on the gun arm fell off of EVERY release. It seems that they were designed to do that, for some unfinished/undisclosed reason? They can be clipped back on, though, but it's easy to lose the parts. I sold my Asia exclusive G1 Megatron version when I got the TT Archforce version. Depends which Megatron you are referring to. Other iterations have had even more alt modes, including a bat, a batmobile a head, a hand, a mammoth, etc.